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Finding the Fourth Proportional to 54,207.62, 81,206.22 and 39,950.22

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Solution

The fourth proportional to 54,207.62, 81,206.22 and 39,950.22 is: 59,847.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,207.62 : 81,206.22 = 39,950.22 : x
  2. Step 2: Convert to fraction form
    54,207.62/81,206.22 = 39,950.22/x
  3. Step 3: Cross multiply
    54,207.62x = 81,206.22 × 39,950.22
  4. Step 4: Simplify right side
    54,207.62x = 3,244,206,354.37
  5. Step 5: Solve for x
    x = 3,244,206,354.37/54,207.62
  6. Step 6: Final answer
    x = 59,847.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.